/*
  Basic ambient lighting vertex program
*/
void mainVS(float4 position 	: POSITION,
			float2 uv			: TEXCOORD0,
			out float4 oPosition: POSITION,
			out float2 oUv	   	: TEXCOORD0,
			out float4 colour   : COLOR,
			uniform float4x4 worldViewProj,
			uniform float4 ambient)
{
	oPosition = mul(worldViewProj, position);
	oUv = uv;
	colour = ambient;
}